Finding the Fourth Proportional to 90,827.02, 125,358.62 and 60,146.02
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Solution
The fourth proportional to 90,827.02, 125,358.62 and 60,146.02 is: 83,012.99
Step by Step Solution
- Step 1: Write the proportion equation
90,827.02 : 125,358.62 = 60,146.02 : x - Step 2: Convert to fraction form
90,827.02/125,358.62 = 60,146.02/x - Step 3: Cross multiply
90,827.02x = 125,358.62 × 60,146.02 - Step 4: Simplify right side
90,827.02x = 7,539,822,065.69 - Step 5: Solve for x
x = 7,539,822,065.69/90,827.02 - Step 6: Final answer
x = 83,012.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.